Get the MarineRadar appSatellite AISSatellite live trackingTrack any shipLive alerts112,000+ ships trackedDownload free

Cồn Cỏ Lighthouse

Fl White 15s🇻🇳VNOperational

Location & Light Range

About Cồn Cỏ Lighthouse

Also known as: Cồn Cỏ (Hon Gio)

This cylindrical concrete lighthouse stands 24 meters tall, with its light positioned 78 meters above sea level. The structure features a round tower with a lantern and gallery, integrated with a two-story keeper's house. Its exterior is painted yellow with white trim. The light emits a white flash every 15 seconds, visible for a geographic range of 22.4 nautical miles. The lighthouse is operational and its site is open to the public, though the tower itself is closed. It is located near Son Duong Port, approximately 75 kilometers away.

Why it matters: This lighthouse assists vessels navigating the waters northeast of Mũi Lay, warning them of the island's presence and ensuring safer passage.

Light & Optic

Characteristic Signature
Fl White 15s
Flash Type
Flashing
Light Color
White
Interval
15s
Raw Code
Fl W 15s
Focal Height
78m
Geographic Range
22.4NM

Location

Country
🇻🇳VN
Latitude
17.1577°
Longitude
107.3383°

References & Identifiers

Nearest Port
Son Duong Port(75.0 km)
Admiralty No.
F3218.25
NGA No.
20276.8

Tower & Structure

Tower Height
24m
Tower Shape
cylindrical
Tower Color
yellow with white trim
Material
concrete

Structure: round concrete tower with lantern and gallery, rising from a 2-story keeper's house

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.
Live tracking · 50,000+ mariners

Find Cồn Cỏ Lighthouse on the live nautical map

Plan voyages near VN, see nearby vessels in real time, and explore 14,900+ navigation aids in the app.

Nautical mapNearby vesselsVoyage planning
Get the App

Frequently Asked Questions

How do mariners identify Cồn Cỏ Lighthouse at night?+
Cồn Cỏ displays the characteristic Fl White 15s. Each lighthouse has a unique flash pattern published in the List of Lights, allowing mariners to positively identify it and distinguish it from other navigation aids in the area. The white color may indicate a specific sector or warning zone.
Which ports and harbors does Cồn Cỏ Lighthouse guide vessels into?+
Cồn Cỏ Lighthouse assists vessels approaching 3 nearby ports. The closest is Cua Viet Port at 18.3 NM to the SSW. Other ports served include Quang Ninh (43 NM WNW), Dong Hoi (45.3 NM WNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Cồn Cỏ Lighthouse still active and maintained?+
Yes, Cồn Cỏ Lighthouse is currently operational. It is actively maintained and continues to emit its characteristic light signal for marine navigation. Most modern lighthouses are automated and monitored remotely by the national maritime authority.
How can I track vessels near Cồn Cỏ Lighthouse?+
You can track vessels near Cồn Cỏ Lighthouse in real time using MarineRadar. The platform shows live AIS positions of ships in the area, including vessel name, type, flag, speed, and course. Use the "Track Vessels Nearby" button on this page to open the live map centered on this lighthouse.